Security advisory

{
  "id": "f5e372e7b2264950aa05f05358304b301306ab951da27d2ae9114190ec51d14f",
  "url": "https://osv.dev/vulnerability/CVE-2020-5840",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-5840",
    "summary": "An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.",
    "evidence": "osv:CVE-2020-5840",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-5840",
      "aliases": [
        "CVE-2020-5840",
        "GHSA-q7hx-mrv5-6mrp"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/hashbrowncms/hashbrown-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f9447f4818e49d8f796b07f94d89038695ae91fe"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:hashbrowncms:hashbrown_cms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.3.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f9447f4818e49d8f796b07f94d89038695ae91fe"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.3.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.3",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.4",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.7",
            "v1.0.6",
            "v1.0.5",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v0.10.2",
            "v0.10.1",
            "v0.10.0",
            "v0.9.9",
            "v0.9.5",
            "v0.9.4",
            "v0.9.3",
            "v0.9.2",
            "v0.9.0",
            "v0.7.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5840.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:22.997062763Z",
      "provider": "osv",
      "references": [
        "https://github.com/HashBrownCMS/hashbrown-cms/releases/tag/v1.3.2",
        "https://github.com/HashBrownCMS/hashbrown-cms/compare/v1.3.1...v1.3.2"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-5840",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385254,
  "published_at": "2020-01-06T18:15:24.247+00:00"
}